30297168 has 120 divisors (see below), whose sum is σ = 95636736. Its totient is φ = 8870400.

The previous prime is 30297167. The next prime is 30297181. The reversal of 30297168 is 86179203.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30297161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48796 + ... + 49412.

Almost surely, 2^30297168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30297168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47818368).

30297168 is an abundant number, since it is smaller than the sum of its proper divisors (65339568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30297168 is a wasteful number, since it uses less digits than its factorization.

30297168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 30297168 is about 5504.2863297616. The cubic root of 30297168 is about 311.7458482538.

The spelling of 30297168 in words is "thirty million, two hundred ninety-seven thousand, one hundred sixty-eight".